---
title: "Facebook's Julie Zhuo on product design - The Intercom Blog"
description: "Julie Zhuo, Facebook’s VP of Product Design, recounts her evolution from engineering intern to leading design for the core Facebook app, including News Feed and the Like button. She defines good design as an experience that is enjoyable, useful, easy, and accessible, noting that adding functionality without increasing complexity is a persistent challenge. There is no fixed ratio of designers to engineers; the ideal mix depends on the stage of achieving product-market fit. Effective design principles should be controversial, as they articulate why a company made a particular choice over alternatives. When competing products offer similar utility and ease, the ultimate differentiator is the emotional response the product evokes in the user."
---

# Facebook's Julie Zhuo on product design - The Intercom Blog

[Intercom](https://yomu.fyi/company/intercom) · Oct 13, 2026

**Type:** Explainer

## Summary

Julie Zhuo, Facebook’s VP of Product Design, recounts her evolution from engineering intern to leading design for the core Facebook app, including News Feed and the Like button. She defines good design as an experience that is enjoyable, useful, easy, and accessible, noting that adding functionality without increasing complexity is a persistent challenge. There is no fixed ratio of designers to engineers; the ideal mix depends on the stage of achieving product-market fit. Effective design principles should be controversial, as they articulate why a company made a particular choice over alternatives. When competing products offer similar utility and ease, the ultimate differentiator is the emotional response the product evokes in the user.

## Context

Interview with Julie Zhuo, Facebook’s VP of Product Design, covering her career from engineering intern to design leader, her definition of good design, the importance of controversial design principles, the lack of a fixed designer-to-engineer ratio, and the role of emotional appeal in product differentiation.

## Takeaways

- Good design must be enjoyable, useful, easy, and accessible. Adding functionality without increasing complexity is a persistent challenge.
- There is no fixed ideal ratio of designers to engineers; the mix shifts depending on where the team is in achieving product-market fit.
- Strong design principles should be controversial, as they articulate why a company made a specific decision that another company would not.

## FAQ

### What is Julie Zhuo's definition of good design?

She defines good design as an experience that is enjoyable, useful, easy, and accessible. She notes that adding functionality without increasing complexity is a persistent challenge.

### Is there an ideal ratio of designers to engineers?

No, there is no ideal ratio. It depends on the stage of product-market fit and the specific needs of the team at that time.

### Why should design principles be controversial?

Because they should explain why a company made a decision that another company wouldn't, making them strong and clear rather than generic.

**Tags:** [Design](https://yomu.fyi/topic/design), [Design Principles](https://yomu.fyi/topic/design-principles), [Facebook](https://yomu.fyi/topic/facebook), [Product Design](https://yomu.fyi/topic/product-design)

- Source: [Intercom](https://www.intercom.com/blog/podcasts/podcast-julie-zhuo-on-product-design)
- Source URL: https://www.intercom.com/blog/podcasts/podcast-julie-zhuo-on-product-design
- Ingested by Yomu: 2026-10-13T18:00:32.434Z

[Read original post](https://www.intercom.com/blog/podcasts/podcast-julie-zhuo-on-product-design)